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Patek Philippe - Patek Philippe Steel Aquanaut Blue Watch Ref. 4960, Made for the Japanese Market - The Keystone Watches

Patek Philippe Steel Aquanaut Blue Watch Ref. 4960, Made for the Japanese Market

Patek Philippe Steel Aquanaut Blue Watch Ref. 4960, Made for the Japanese Market

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Patek Philippe - Patek Philippe Steel Tonneau-Shaped Watch Ref. 3579 - The Keystone Watches

Patek Philippe Steel Tonneau-Shaped Watch Ref. 3579

Patek Philippe Steel Tonneau-Shaped Watch Ref. 3579

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Rolex - Rolex GMT-Master Pepsi Watch Ref. 16700 - The Keystone Watches

Rolex GMT-Master Pepsi Watch Ref. 16700

Rolex GMT-Master Pepsi Watch Ref. 16700

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Vacheron Constantin - Vacheron Constantin Overseas Jumbo Automatic 222 Watch Ref. 44018 with Original Box and Papers - The Keystone Watches

Vacheron Constantin Overseas Jumbo Automatic 222 Watch Ref. 44018 with Original Box and Papers

Vacheron Constantin Overseas Jumbo Automatic 222 Watch Ref. 44018 with Original Box and Papers

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IWC - IWC Platinum Diamond Pocket Watch with Original Box and Papers - The Keystone Watches

IWC Platinum Diamond Pocket Watch with Original Box and Papers

IWC Platinum Diamond Pocket Watch with Original Box and Papers

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Patek Philippe - Patek Philippe White Gold Tonneau Watch from 1927 - The Keystone Watches

Patek Philippe White Gold Tonneau Watch from 1927

Patek Philippe White Gold Tonneau Watch from 1927

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Rolex - Rolex Precision Strap Watch, Circa 1976 - The Keystone Watches

Rolex Precision Strap Watch, Circa 1976

Rolex Precision Strap Watch, Circa 1976

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Patek Philippe - Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi - The Keystone Watches

Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi

Patek Philippe White Gold Ellipse Watch Ref. 3648, Retailed by Somazzi

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Rolex - Rolex White Gold PRecision Diamond Watch with Original Warranty - The Keystone Watches

Rolex White Gold PRecision Diamond Watch with Original Warranty

Rolex White Gold PRecision Diamond Watch with Original Warranty

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Rolex - Rolex White Gold Day-Date Ruby And Diamond Watch Ref. 18039 - The Keystone Watches

Rolex White Gold Day-Date Ruby And Diamond Watch Ref. 18039

Rolex White Gold Day-Date Ruby And Diamond Watch Ref. 18039

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Rolex - Rolex Yellow Gold Day-Date Oyster Rivet Watch Ref. 1803 - The Keystone Watches

Rolex Yellow Gold Day-Date Oyster Rivet Watch Ref. 1803

Rolex Yellow Gold Day-Date Oyster Rivet Watch Ref. 1803

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Rolex - Rolex White Gold Day-Date Watch Ref. 1803, Retailed by Bucherer - The Keystone Watches

Rolex White Gold Day-Date Watch Ref. 1803, Retailed by Bucherer

Rolex White Gold Day-Date Watch Ref. 1803, Retailed by Bucherer

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Rolex - Rolex White Gold Day-Date Blue Stella Watch, Ref. 1803 - The Keystone Watches

Rolex White Gold Day-Date Blue Stella Watch, Ref. 1803

Rolex White Gold Day-Date Blue Stella Watch, Ref. 1803

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Patek Philippe - Patek Philippe Yellow Gold Travel Time Watch Ref. 2597 - The Keystone Watches

Patek Philippe Yellow Gold Travel Time Watch Ref. 2597

Patek Philippe Yellow Gold Travel Time Watch Ref. 2597

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Rolex - Rolex Cosmograph Daytona Paul Newman Watch Ref. 6241 - The Keystone Watches

Rolex Cosmograph Daytona Paul Newman Watch Ref. 6241

Rolex Cosmograph Daytona Paul Newman Watch Ref. 6241

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Rolex - Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers - The Keystone Watches

Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers

Rolex Yellow Gold Datejust Watch Ref. 6517 with Original Warranty Papers

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Rolex - Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS - The Keystone Watches

Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS

Rolex White Gold Day-Date in New Old Stock Condition, Made for Saudi Aviation SNAS

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Omega - Omega Steel Speedmaster Chronograph Watch Ref. 105.012 - The Keystone Watches

Omega Steel Speedmaster Chronograph Watch Ref. 105.012

Omega Steel Speedmaster Chronograph Watch Ref. 105.012

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Audemars Piguet - Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST - The Keystone Watches

Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST

Audemars Piguet Royal Oak Chronograph Blue Watch Ref. 25860ST

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Rolex - Rolex Yellow Gold Date Watch Ref. 1503 - The Keystone Watches

Rolex Yellow Gold Date Watch Ref. 1503

Rolex Yellow Gold Date Watch Ref. 1503

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Rolex - Rolex Yellow Gold GMT-Master Watch Ref. 16758 SARU - The Keystone Watches

Rolex Yellow Gold GMT-Master Watch Ref. 16758 SARU

Rolex Yellow Gold GMT-Master Watch Ref. 16758 SARU

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Piaget - Piaget White Gold Bracelet Watch - The Keystone Watches

Piaget White Gold Bracelet Watch

Piaget White Gold Bracelet Watch

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Rolex - Rolex Submariner 4-Line Gilt Dial Watch Ref. 5512 - The Keystone Watches

Rolex Submariner 4-Line Gilt Dial Watch Ref. 5512

Rolex Submariner 4-Line Gilt Dial Watch Ref. 5512

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Rolex - Rolex Steel Submariner Watch Ref. 5513 - The Keystone Watches

Rolex Steel Submariner Watch Ref. 5513

Rolex Steel Submariner Watch Ref. 5513

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Rolex - Rolex Submariner Watch Ref. 5513, Circa 1970 - The Keystone Watches

Rolex Submariner Watch Ref. 5513, Circa 1970

Rolex Submariner Watch Ref. 5513, Circa 1970

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Rolex - Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch - The Keystone Watches

Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch

Rolex Yellow Gold Day-Date Blue Vignette Diamond Watch

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Rolex - Rolex Yellow Gold Oyster Perpetual Black Gilt Dial Watch Ref. 6567 - The Keystone Watches

Rolex Yellow Gold Oyster Perpetual Black Gilt Dial Watch Ref. 6567

Rolex Yellow Gold Oyster Perpetual Black Gilt Dial Watch Ref. 6567

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Rolex - Rolex Platinum Day-Date Diamond Watch Ref. 18036 - The Keystone Watches

Rolex Platinum Day-Date Diamond Watch Ref. 18036

Rolex Platinum Day-Date Diamond Watch Ref. 18036

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Tudor - Tudor Submariner Watch Ref. 79190 - The Keystone Watches

Tudor Submariner Watch Ref. 79190

Tudor Submariner Watch Ref. 79190

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Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 3940 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 3940

Patek Philippe Platinum Perpetual Calendar Watch Ref. 3940

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Cartier - Cartier Yellow Gold Tank Cintree Watch, Circa 1970 - The Keystone Watches

Cartier Yellow Gold Tank Cintree Watch, Circa 1970

Cartier Yellow Gold Tank Cintree Watch, Circa 1970

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Chopard - Chopard Yellow Gold Unusual Bracelet Watch, Circa 1972 - The Keystone Watches

Chopard Yellow Gold Unusual Bracelet Watch, Circa 1972

Chopard Yellow Gold Unusual Bracelet Watch, Circa 1972

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Rolex - Rolex Submariner Brown Chapter Ring Gilt Dial Watch Ref. 5512 - The Keystone Watches

Rolex Submariner Brown Chapter Ring Gilt Dial Watch Ref. 5512

Rolex Submariner Brown Chapter Ring Gilt Dial Watch Ref. 5512

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Patek Philippe - Patek Philippe Yellow Gold, Emerald Nautilus Diamond Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold, Emerald Nautilus Diamond Watch Ref. 3800

Patek Philippe Yellow Gold, Emerald Nautilus Diamond Watch Ref. 3800

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Rolex - Rolex GMT-Master Pepsi Watch Ref. 16700 - The Keystone Watches

Rolex GMT-Master Pepsi Watch Ref. 16700

Rolex GMT-Master Pepsi Watch Ref. 16700

Sold Out

 
Rolex - Rolex Daytona Cosmograph Patrizzi Watch Ref. 16520 with Original Warranty Paper - The Keystone Watches

Rolex Daytona Cosmograph Patrizzi Watch Ref. 16520 with Original Warranty Paper

Rolex Daytona Cosmograph Patrizzi Watch Ref. 16520 with Original Warranty Paper

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New Arrivals Preview
 
Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

Piaget Yellow Gold Polo Watch Ref. 7661C with Original Diamonds (New Arrival)

$22,000 USD
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 USD
 
Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

$8,000 USD
 
Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

$78,000 USD
 
Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

$7,800 USD
 
Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
Shop all New Arrivals Preview

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Guarantee

Our watches go through a rigorous authentication process in which seasoned experts examine and evaluate the watches. These experts have decades of experience and have authenticated thousands of watches in their lifetime. We guarantee every piece of the watches we offer are 100% authentic. 

CONTACT US

You can reach us by emailing hello@thekeystone.com or call 213-632-9061

We are based in West Hollywood, CA. Please contact us for appointments to view a watch in person. 

We are not authorized sellers of the brands listed on our site. We sell vintage and pre-owned product.

Stay in touch.

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